This lightweight carry gun comes in at 27.2 oz. Normally with a lightweight gun there is more muzzle rise and needs added control. With the COS21 modular design that does not happen. This model features a tactical hard coat aluminum frame and Flat Top Tactical slide design with custom serrations. It has a full-size semi-aggressive grip, square trigger guard, removeable magwell and Cerakoted in Titanium and Black.